Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 47
Answer: 65 + 47 = 112 -
2. Algebra Substitution
If x = 2, find the value of 8x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 6, 17, 4
Answer: 9